Why 7 Plus Minus 2? A Possible Geometric Explanation

Authors

Laxman Bokati, The University of Texas at El PasoFollow
Vladik Kreinovich, The University of Texas at El PasoFollow
Jordan Katz, Coronado High SchoolFollow

Publication Date

7-2019

Comments

Technical Report: UTEP-CS-19-76

Abstract

It is known that, in general, a person keeps in mind between 5 and 9 objects -- this is known as the 7 plus minus 2 law. In this paper, we provide a possible simple geometric explanation for this psychological feature.